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    <title>Document</title>
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    <script>
        /* 
         字符串:引号.
            1.特殊字符,用转义符
            2.length 获取数字的长度(有多少个字符)
            3.+可以进行字符串的拼接
            4.字符串拼接其他数据类型后还是字符串
            5.字符串和变量拼接:引引加加;
        */

        let address = '开\'封\n河南';
        console.log(address);

        let music = '借口';
        let singer = '周杰伦';
        console.log('歌名的长度' + music.length);
        console.log('歌手长度'+ singer.length);

        let subject = 'h5';
        let subject1 = 'js';
        let result = 'h5' +'js';
        console.log(result);
        console.log(subject + subject1);

        let star = '林俊杰';
        // star =star + 28;
        star = star + true;
        console.log(typeof star);
        
         let dota = '刀塔';
         console.log('王者荣耀' + dota + '吃鸡')
     </script>
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